.bg{
    background: url(../img/mixedCloud/banner.png) no-repeat center;
}
.server{
    height: 540px;
    background: rgba(239, 239, 239, 0.35);
    overflow: hidden;
}
.server .head-title{
    margin-top: 44px;
}
.server .server-box{
    margin-top: 44px;
}
.server .btn-container{
    margin-top: 70px;
    float: right;
}

.advantage{
    overflow: hidden;
}
.advantage .head-title{
    margin: 60px 0;
}
.advantage .advantage-box .item{
    width: 283px;
    height: 480px;
    background: #FFFFFF;
    border: 1px solid rgba(234, 234, 234, 0.59);
    box-shadow: 0px 8px 13px 0px rgba(254, 239, 239, 0.66);
    padding: 23px 28px 0 28px;
    text-align: center;
}
.advantage .advantage-box .item .num{
    height: 55px;
    line-height: 55px;
    background: #FEEFEF;
    font-size: 38px;
    
    color: #FF0000;
}
.advantage .advantage-title{
    height: 95px;
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    text-align: left;
    display: flex;
    justify-content: center;
    padding-top: 30px;
}
.advantage .advantage-info{
    height: 178px;
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
    margin-top: 20px;
}

.change{
    overflow: hidden;
}
.change .head-title{
    margin-top: 81px;
    margin-bottom: 87px;
}
.change .change-box .item{
    width: 570px;
    margin-bottom: 60px;
}
.change .change-container{
    width: 433px;
}
.change .change-title{
    font-size: 24px;
    font-weight: 700;
    color: #333333;
}
.change .change-info{
    height: 64px;
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
    margin-top: 15px;
}

.characteristic-service .head-title{
    margin-top: 37px;
}